/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.modules.system.service.impl;

import me.zhengjie.modules.system.domain.IdentityCourse;
import me.zhengjie.utils.*;
import lombok.RequiredArgsConstructor;
import me.zhengjie.modules.system.repository.IdentityCourseRepository;
import me.zhengjie.modules.system.service.IdentityCourseService;
import me.zhengjie.modules.system.service.dto.IdentityCourseDto;
import me.zhengjie.modules.system.service.dto.IdentityCourseQueryCriteria;
import me.zhengjie.modules.system.service.mapstruct.IdentityCourseMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;

import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author 王宇
* @date 2023-12-29
**/
@Service
@RequiredArgsConstructor
public class IdentityCourseServiceImpl implements IdentityCourseService {

    private final IdentityCourseRepository identityCourseRepository;
    private final IdentityCourseMapper identityCourseMapper;

    @Override
    public Map<String,Object> queryAll(IdentityCourseQueryCriteria criteria, Pageable pageable){
        Page<IdentityCourse> page = identityCourseRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(identityCourseMapper::toDto));
    }

    @Override
    public List<IdentityCourseDto> queryAll(IdentityCourseQueryCriteria criteria){
        return identityCourseMapper.toDto(identityCourseRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional
    public IdentityCourseDto findById(Long identityCourseId) {
        IdentityCourse identityCourse = identityCourseRepository.findById(identityCourseId).orElseGet(IdentityCourse::new);
        ValidationUtil.isNull(identityCourse.getIdentityCourseId(),"IdentityCourse","identityCourseId",identityCourseId);
        return identityCourseMapper.toDto(identityCourse);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public IdentityCourseDto create(IdentityCourse resources) {
        return identityCourseMapper.toDto(identityCourseRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(IdentityCourse resources) {
        IdentityCourse identityCourse = identityCourseRepository.findById(resources.getIdentityCourseId()).orElseGet(IdentityCourse::new);
        ValidationUtil.isNull( identityCourse.getIdentityCourseId(),"IdentityCourse","id",resources.getIdentityCourseId());
        identityCourse.copy(resources);
        identityCourseRepository.save(identityCourse);
    }

    @Override
    public void deleteAll(Long[] ids) {
        for (Long identityCourseId : ids) {
            identityCourseRepository.deleteById(identityCourseId);
        }
    }

    @Override
    public void deleteByIdentityNo(String identityNo) {
        if(StringUtils.isEmpty(identityNo)){
            return;
        }
        identityCourseRepository.deleteIdentityCourseByIdentityNo(identityNo);
    }

    @Override
    public void download(List<IdentityCourseDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (IdentityCourseDto identityCourse : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("课程编号", identityCourse.getCourseNo());
            map.put("课程名称", identityCourse.getCourseName());
            map.put("身份产品编号", identityCourse.getIdentityNo());
            map.put("创建时间", identityCourse.getCreateTime());
            map.put("创建人", identityCourse.getCreateUser());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}